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Merge pull request #2562 from ReinUsesLisp/split-cbuf-upload
video_core/engines: Move ConstBufferInfo out of Maxwell3D
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commit
c7b5c245e1
@ -3,6 +3,7 @@ add_library(video_core STATIC
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dma_pusher.h
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debug_utils/debug_utils.cpp
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debug_utils/debug_utils.h
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engines/const_buffer_info.h
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engines/engine_upload.cpp
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engines/engine_upload.h
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engines/fermi_2d.cpp
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17
src/video_core/engines/const_buffer_info.h
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17
src/video_core/engines/const_buffer_info.h
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@ -0,0 +1,17 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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namespace Tegra::Engines {
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struct ConstBufferInfo {
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GPUVAddr address;
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u32 size;
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bool enabled;
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};
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} // namespace Tegra::Engines
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@ -396,12 +396,10 @@ void Maxwell3D::ProcessCBBind(Regs::ShaderStage stage) {
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auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
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auto& bind_data = regs.cb_bind[static_cast<std::size_t>(stage)];
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ASSERT(bind_data.index < Regs::MaxConstBuffers);
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auto& buffer = shader.const_buffers[bind_data.index];
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ASSERT(bind_data.index < Regs::MaxConstBuffers);
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buffer.enabled = bind_data.valid.Value() != 0;
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buffer.index = bind_data.index;
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buffer.address = regs.const_buffer.BufferAddress();
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buffer.size = regs.const_buffer.cb_size;
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}
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@ -15,6 +15,7 @@
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/math_util.h"
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#include "video_core/engines/const_buffer_info.h"
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#include "video_core/engines/engine_upload.h"
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#include "video_core/gpu.h"
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#include "video_core/macro_interpreter.h"
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@ -1112,13 +1113,6 @@ public:
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static_assert(std::is_trivially_copyable_v<Regs>, "Maxwell3D Regs must be trivially copyable");
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struct State {
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struct ConstBufferInfo {
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GPUVAddr address;
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u32 index;
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u32 size;
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bool enabled;
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};
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struct ShaderStageInfo {
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std::array<ConstBufferInfo, Regs::MaxConstBuffers> const_buffers;
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};
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@ -322,9 +322,9 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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}
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const auto stage_enum = static_cast<Maxwell::ShaderStage>(stage);
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SetupConstBuffers(stage_enum, shader, program_handle, base_bindings);
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SetupGlobalRegions(stage_enum, shader, program_handle, base_bindings);
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SetupTextures(stage_enum, shader, program_handle, base_bindings);
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SetupDrawConstBuffers(stage_enum, shader);
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SetupGlobalRegions(stage_enum, shader);
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SetupTextures(stage_enum, shader, base_bindings);
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// Workaround for Intel drivers.
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// When a clip distance is enabled but not set in the shader it crops parts of the screen
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@ -776,57 +776,55 @@ bool RasterizerOpenGL::AccelerateDisplay(const Tegra::FramebufferConfig& config,
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return true;
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}
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void RasterizerOpenGL::SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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const Shader& shader, GLuint program_handle,
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BaseBindings base_bindings) {
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void RasterizerOpenGL::SetupDrawConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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const Shader& shader) {
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MICROPROFILE_SCOPE(OpenGL_UBO);
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const auto& gpu = system.GPU();
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const auto& maxwell3d = gpu.Maxwell3D();
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const auto& shader_stage = maxwell3d.state.shader_stages[static_cast<std::size_t>(stage)];
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const auto stage_index = static_cast<std::size_t>(stage);
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const auto& shader_stage = system.GPU().Maxwell3D().state.shader_stages[stage_index];
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const auto& entries = shader->GetShaderEntries().const_buffers;
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// Upload only the enabled buffers from the 16 constbuffers of each shader stage
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for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
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const auto& used_buffer = entries[bindpoint];
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const auto& buffer = shader_stage.const_buffers[used_buffer.GetIndex()];
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if (!buffer.enabled) {
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// Set values to zero to unbind buffers
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bind_ubo_pushbuffer.Push(0, 0, 0);
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continue;
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}
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std::size_t size = 0;
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if (used_buffer.IsIndirect()) {
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// Buffer is accessed indirectly, so upload the entire thing
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size = buffer.size;
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if (size > MaxConstbufferSize) {
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LOG_WARNING(Render_OpenGL, "Indirect constbuffer size {} exceeds maximum {}", size,
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MaxConstbufferSize);
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size = MaxConstbufferSize;
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}
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} else {
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// Buffer is accessed directly, upload just what we use
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size = used_buffer.GetSize();
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}
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// Align the actual size so it ends up being a multiple of vec4 to meet the OpenGL std140
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// UBO alignment requirements.
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size = Common::AlignUp(size, sizeof(GLvec4));
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ASSERT_MSG(size <= MaxConstbufferSize, "Constbuffer too big");
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const GLintptr const_buffer_offset =
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buffer_cache.UploadMemory(buffer.address, size, device.GetUniformBufferAlignment());
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bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), const_buffer_offset, size);
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const auto& entry = entries[bindpoint];
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SetupConstBuffer(shader_stage.const_buffers[entry.GetIndex()], entry);
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}
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}
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void RasterizerOpenGL::SetupConstBuffer(const Tegra::Engines::ConstBufferInfo& buffer,
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const GLShader::ConstBufferEntry& entry) {
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if (!buffer.enabled) {
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// Set values to zero to unbind buffers
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bind_ubo_pushbuffer.Push(0, 0, 0);
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return;
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}
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std::size_t size;
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if (entry.IsIndirect()) {
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// Buffer is accessed indirectly, so upload the entire thing
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size = buffer.size;
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if (size > MaxConstbufferSize) {
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LOG_WARNING(Render_OpenGL, "Indirect constbuffer size {} exceeds maximum {}", size,
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MaxConstbufferSize);
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size = MaxConstbufferSize;
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}
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} else {
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// Buffer is accessed directly, upload just what we use
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size = entry.GetSize();
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}
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// Align the actual size so it ends up being a multiple of vec4 to meet the OpenGL std140
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// UBO alignment requirements.
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size = Common::AlignUp(size, sizeof(GLvec4));
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ASSERT_MSG(size <= MaxConstbufferSize, "Constant buffer is too big");
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const std::size_t alignment = device.GetUniformBufferAlignment();
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const GLintptr offset = buffer_cache.UploadMemory(buffer.address, size, alignment);
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bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), offset, size);
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}
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void RasterizerOpenGL::SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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const Shader& shader, GLenum primitive_mode,
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BaseBindings base_bindings) {
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const Shader& shader) {
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const auto& entries = shader->GetShaderEntries().global_memory_entries;
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for (std::size_t bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
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const auto& entry{entries[bindpoint]};
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@ -840,7 +838,7 @@ void RasterizerOpenGL::SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::Shade
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}
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void RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, const Shader& shader,
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GLuint program_handle, BaseBindings base_bindings) {
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BaseBindings base_bindings) {
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MICROPROFILE_SCOPE(OpenGL_Texture);
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const auto& gpu = system.GPU();
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const auto& maxwell3d = gpu.Maxwell3D();
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@ -17,6 +17,7 @@
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#include <glad/glad.h>
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#include "common/common_types.h"
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#include "video_core/engines/const_buffer_info.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/rasterizer_cache.h"
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#include "video_core/rasterizer_interface.h"
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@ -27,6 +28,7 @@
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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#include "video_core/renderer_opengl/gl_sampler_cache.h"
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#include "video_core/renderer_opengl/gl_shader_cache.h"
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#include "video_core/renderer_opengl/gl_shader_decompiler.h"
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#include "video_core/renderer_opengl/gl_shader_manager.h"
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#include "video_core/renderer_opengl/gl_state.h"
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#include "video_core/renderer_opengl/utils.h"
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@ -105,17 +107,20 @@ private:
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bool preserve_contents = true, std::optional<std::size_t> single_color_target = {});
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/// Configures the current constbuffers to use for the draw command.
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void SetupConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, const Shader& shader,
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GLuint program_handle, BaseBindings base_bindings);
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void SetupDrawConstBuffers(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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const Shader& shader);
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/// Configures a constant buffer.
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void SetupConstBuffer(const Tegra::Engines::ConstBufferInfo& buffer,
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const GLShader::ConstBufferEntry& entry);
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/// Configures the current global memory entries to use for the draw command.
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void SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
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const Shader& shader, GLenum primitive_mode,
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BaseBindings base_bindings);
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const Shader& shader);
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/// Configures the current textures to use for the draw command.
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void SetupTextures(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, const Shader& shader,
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GLuint program_handle, BaseBindings base_bindings);
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BaseBindings base_bindings);
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/// Syncs the viewport and depth range to match the guest state
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void SyncViewport(OpenGLState& current_state);
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